Home / 782,335.20-1,176,008.40-726,866.40

Finding the Fourth Proportional to 782,335.20, 1,176,008.40 and 726,866.40

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Solution

The fourth proportional to 782,335.20, 1,176,008.40 and 726,866.40 is: 1,092,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,335.20 : 1,176,008.40 = 726,866.40 : x
  2. Step 2: Convert to fraction form
    782,335.20/1,176,008.40 = 726,866.40/x
  3. Step 3: Cross multiply
    782,335.20x = 1,176,008.40 × 726,866.40
  4. Step 4: Simplify right side
    782,335.20x = 854,800,992,077.76
  5. Step 5: Solve for x
    x = 854,800,992,077.76/782,335.20
  6. Step 6: Final answer
    x = 1,092,627.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.